.main{
    width: 100%;
}
.pannel-div{
    width: 450px;
    float: right;
    height: 100%;
    margin: 50px auto;
}
.search .in{
    width: 300px;
    height: 36px;
    border: 2px solid blue;
    padding-left: 10px;
    border-radius: 0;
    outline: none;
    font: 16px/34px "mincrosoft yahei";
}
.search .btn_search{
    background: blue;
    width: 80px;
    height: 42px;
    color: white;
    border-radius: 0;
    border: none;
    outline: none;
    font-size: 16px;
}
.ll{
    margin: auto;
    margin-top: 2%;
    border-color: lightblue;
    width: 80%;
}
.x{
    margin-bottom: 20px;
    font-size: 25px;
}